20783056

素因数分解:

$2^4\times 7^4\times {\mathrm{541}}^1$

素因数の和:577

約数の個数: 50

約数和(自身を含む): 47062402

約数和(自身を除く): 26279346

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 541, 686, 784, 1082, 1372, 2164, 2401, 2744, 3787, 4328, 4802, 5488, 7574, 8656, 9604, 15148, 19208, 26509, 30296, 38416, 53018, 60592, 106036, 185563, 212072, 371126, 424144, 742252, 1298941, 1484504, 2597882, 2969008, 5195764, 10391528, 20783056]

約数ペア:

[(1, 20783056), (2, 10391528), (4, 5195764), (7, 2969008), (8, 2597882), (14, 1484504), (16, 1298941), (28, 742252), (49, 424144), (56, 371126), (98, 212072), (112, 185563), (196, 106036), (343, 60592), (392, 53018), (541, 38416), (686, 30296), (784, 26509), (1082, 19208), (1372, 15148), (2164, 9604), (2401, 8656), (2744, 7574), (3787, 5488), (4328, 4802)]